Overview
The STM8AF52A9TCX is an 8-bit microcontroller from STMicroelectronics, designed specifically for automotive applications. It belongs to the STM8A family, known for its high density and robust features. This microcontroller offers a range of benefits including reduced system cost, enhanced performance, short development cycles, and product longevity. The STM8AF52A9TCX features 128 Kbytes of non-volatile Flash memory, up to 2 Kbytes of true data EEPROM, and 6 Kbytes of RAM. It operates within a supply voltage range of 3.3 V to 5.5 V and is qualified according to the AEC-Q100 standard, ensuring reliability in harsh automotive environments.
Key Specifications
| Specification | Details |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Maximum Clock Frequency | 24 MHz |
| Program Memory | 128 Kbyte Flash program; data retention 20 years at 55 °C |
| Data Memory | Up to 2 Kbyte true data EEPROM; endurance 300 k cycles |
| RAM | 6 Kbyte |
| Number of I/Os | Up to 68 user pins (11 high sink I/Os) |
| Communication Interfaces | High speed 1 Mbit/s CAN 2.0B interface, USART, LINUART, SPI, I2C |
| ADC Resolution | 10-bit resolution, 2 LSB TUE, 1 LSB linearity and up to 16 multiplexed channels |
| Operating Temperature | -40 °C to +125 °C |
| Package | LQFP 64 10x10x1.4 mm |
| Qualification | AEC-Q100 grade 0 |
Key Features
- AEC-Q10x qualified for automotive applications
- Integrated true data EEPROM for up to 300 k write/erase cycles
- High system integration level with internal clock oscillators, watchdog, and brown-out reset
- 20 MIPS at 24 MHz CPU clock frequency
- Robust I/O design, immune against current injection
- Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
- Low-power crystal resonator oscillator with external clock input
- Clock security system with clock monitor
- Nested interrupt controller with 32 vectors and up to 37 external interrupts on 5 vectors
- Auto-wakeup timer, window and independent watchdog timers
Applications
The STM8AF52A9TCX is designed for various automotive applications, including engine control units, transmission control units, and body control modules. Its robust design and high integration level make it suitable for use in harsh environments. Additionally, it can be used in industrial automation, consumer electronics, and other embedded systems that require reliable and efficient processing capabilities.
Q & A
- What is the maximum clock frequency of the STM8AF52A9TCX?
The maximum clock frequency is 24 MHz.
- What is the program memory size of the STM8AF52A9TCX?
The program memory size is 128 Kbytes of Flash memory.
- What is the operating temperature range of the STM8AF52A9TCX?
The operating temperature range is from -40 °C to +125 °C.
- Does the STM8AF52A9TCX support CAN interface?
Yes, it supports a high speed 1 Mbit/s CAN 2.0B interface.
- What is the ADC resolution of the STM8AF52A9TCX?
The ADC resolution is 10-bit with 2 LSB TUE and 1 LSB linearity, and it supports up to 16 multiplexed channels.[
- Is the STM8AF52A9TCX AEC-Q100 qualified?
Yes, it is AEC-Q100 grade 0 qualified.
- What is the package type of the STM8AF52A9TCX?
The package type is LQFP 64 10x10x1.4 mm.
- How many I/O pins does the STM8AF52A9TCX have?
It has up to 68 user pins, including 11 high sink I/Os.[
- Does the STM8AF52A9TCX support LIN interface?
Yes, it supports LINUART with LIN 2.2 compliance in master/slave modes with automatic resynchronization.[
- What is the data EEPROM endurance of the STM8AF52A9TCX?
The data EEPROM endurance is up to 300 k write/erase cycles.[
